plugin-creator

Instructions for scaffolding plugins and marketplace entries. Scaffolding means generating the standard folders and files that a plugin needs so they are ready to edit.

In plain words
What is it for?
Creating new Codex or OK Code plugins, adding their metadata, and generating marketplace entries.
Why use it?
They provide a consistent, minimal plugin structure instead of leaving each project to invent its own layout.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/openknots/okcode/plugin-creator
Any agent
npx skills add OpenKnots/okcode --skill plugin-creator
Clone the repo
git clone --depth 1 https://github.com/OpenKnots/okcode

Made for: Claude Code, Codex.

Per session 11 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 126 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00011 $0.00126
Opus 5 $0.00005 $0.00063
Sonnet 5 $0.00002 $0.00025
Haiku 4.5 $0.00001 $0.00013

Measured yesterday against content hash 012af9ba1673, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

plugin-creator scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

packages/shared/src/skills-catalog/system/plugin-creator/SKILL.md · 30 lines

What it actually says

Plugin Creator

When to use this skill

  • Use when the user wants to scaffold or update a Codex or OK Code plugin.

What this skill does

  • Creates the expected plugin skeleton and metadata structure.

Implementation

  • Prefer generated scaffolds that are easy to edit rather than opaque templates.

Best practices

  • Keep plugin structure explicit and minimal.
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 30 lines · 11 tokens per session scan A 012af9ba1673

Subscribe to this mod's changes

plugin-creator is a skill published in the GitHub repository OpenKnots/okcode (24 stars, last pushed 3mo ago), licensed MIT. It adds 11 tokens to every session and 126 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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